South Korea weighs multiple banks per exchange

TLDR

South Korea is actively debating whether to let each licensed crypto exchange work with multiple banks instead of just one for won-denominated trading accounts.

1. The current one-exchange-one-bank rule centralizes AML oversight but concentrates risk and bargaining power in a single bank for each platform.
2. Allowing multiple banks and possibly securities firms per exchange could boost competition, access, and institutional participation in Koreas crypto market.
3. The outcome of these talks will shape banking standards for digital assets in other tightly regulated markets, so policy signals from regulators and major banks matter.

Deep Dive

1. Current Rule And Proposed Shift

Since 2018, South Korean won markets on crypto exchanges have operated under a one exchange one bank framework, where each exchange can only partner with a single bank to issue real-name accounts for AML compliance, according to a recent policy explainer on South Koreas banking rules for exchanges.

Regulators and industry groups are now revisiting this setup as Korea prepares to open its digital asset market to corporate investors later this year, with discussions explicitly including the option of multiple banking partners per exchange and links to securities firms.

2. Impact On Competition And User Access

Critics argue the single-bank rule restricts competition and consumer choice, while creating operational bottlenecks for smaller exchanges that struggle to secure a top tier bank partner.

Relaxing the rule could allow more banks like BNK Busan Bank, iM Bank, NH Nonghyup Bank, and Woori Bank to serve exchanges, reducing dependence on a few incumbents and potentially improving pricing, service quality, and resilience if one bank faces issues.

If securities firms are allowed to link directly to exchange accounts, that would further integrate traditional capital markets with digital assets, making it easier for corporates and institutions to participate under familiar brokerage-style models.

3. Signals To Watch Next

The key signals to monitor are:

1. Formal statements from the Financial Services Commission or Bank of Korea on revising the real-name account guidelines.
2. Announcements of new bankexchange partnerships beyond the current limited set.
3. Any pilots or rule changes that explicitly let securities firms offer exchange-linked crypto services.

Together, these would confirm that Korea is moving from a cautious, containment-focused framework toward a more competitive, multi-bank market structure for digital assets.

Conclusion

South Koreas debate over multiple banks per exchange is about rebalancing strong AML controls with more flexible, competitive infrastructure for a growing digital asset market.

If regulators allow multi-bank and securities firm linkages, Korean exchanges could see stronger won liquidity and more institutional participation, while other regulated markets may look to this model when designing their own bankcrypto rules.